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What is the Least Common Multiple of 10978 and 10995?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 10978 and 10995 is 120703110.

LCM(10978,10995) = 120703110

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Least Common Multiple of 10978 and 10995 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10978 and 10995, than apply into the LCM equation.

GCF(10978,10995) = 1
LCM(10978,10995) = ( 10978 × 10995) / 1
LCM(10978,10995) = 120703110 / 1
LCM(10978,10995) = 120703110

Least Common Multiple (LCM) of 10978 and 10995 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10978 and 10995. First we will calculate the prime factors of 10978 and 10995.

Prime Factorization of 10978

Prime factors of 10978 are 2, 11, 499. Prime factorization of 10978 in exponential form is:

10978 = 21 × 111 × 4991

Prime Factorization of 10995

Prime factors of 10995 are 3, 5, 733. Prime factorization of 10995 in exponential form is:

10995 = 31 × 51 × 7331

Now multiplying the highest exponent prime factors to calculate the LCM of 10978 and 10995.

LCM(10978,10995) = 21 × 111 × 4991 × 31 × 51 × 7331
LCM(10978,10995) = 120703110